461779 has 4 divisors (see below), whose sum is σ = 464776. Its totient is φ = 458784.

The previous prime is 461717. The next prime is 461801. The reversal of 461779 is 977164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (116194).

2⁴⁶¹⁷⁷⁹ is an apocalyptic number.

461779 is a deficient number, since it is larger than the sum of its proper divisors (2997).

461779 is a wasteful number, since it uses less digits than its factorization.

461779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996.

The product of its digits is 10584, while the sum is 34.

The square root of 461779 is about 679.5432289413. The cubic root of 461779 is about 77.2938119667.

The spelling of 461779 in words is "four hundred sixty-one thousand, seven hundred seventy-nine".